I want to find the matching values between two arrays and create a json array setting true if the values matched or false if they didn’t. I know, that the values in the secondArray will always match some values from the first array and that it will always be smaller, because the secondArray is created b…
Tag: javascript
Js event inside an other js event mobile device
I’m wondering how to handle an event inside an other one Here is the code I use: You have two click events lv1 and delete. But delete is inside lv1, so when I go for delete, both click events are triggered. On computer, I can fix this by adding a mouseover event to know if I’m hovering the delete …
How to determine if JEST is running the code or not?
I am creating a JS test on my react-native project. I’m specifically using firebase for react native, in which I would like to replace firebase instance with a mockfirebase instance if JS is running the code of my class. For example I have class setup like below. I’d like to have a check if jest i…
Add field not in schema with mongoose
I am trying to add a new field to a document, but this isn’t working: Creating my UserModel prototype: Then calling it This successfully updates any field as long as it exists, but it won’t add any new one. Answer You can add and remove fields in schema using option { strict: false } option: stric…
Proper way of adding CSS file in Vue.js Application
What is the proper way of adding external CSS file in Vue.js Application ? I found several ways to add CSS file in Vue.js Application. Some one suggest to use this one. <link rel=”stylesheet” type=”text/css” href=”/static/bootstrap.min.css”>. Some one suggest this one…
React – Shorten string based on width
I have a container with the width: 500px. In this container there are 2 strings, “iiiiiiiiiiiiiii” and “MMMMMMMMMMMMMMM”. You can clearly see that the “M” string is a lot wider than the “i” string, but both fit in the 500px screen. If i make the container smalle…
Align vertically Icon and Text in ListView – React Native
I want to make a ListView and each row should contain an Icon and a Text. But I need them to be vertically aligned. The code: The above code generates: in which the components are not aligned. How can I solve this? Answer Try something like this: Tweak the flex value of the <View> wrapping the text elem…
Calling vs invoking a function
Up to this point, I thought “calling” and “invoking” a function meant the same thing. However, in a YouTube tutorial it said to invoke a function by calling it. My first thought was that the wording was a mistake, but on W3Schools’ page on Function Invocation, it says: It is comm…
Can I test setInterval with Jasmine?
I have this statement in my code, and I was wondering how I could test the setInterval using Jasmine. systemTime is fed from an epoch value in a DATA-CONTENT attribute in the HTML. Any help would be greatly appreciated Answer
Double Horizontal Scroll on Table – JQuery
I am trying to add double horizontal scrolls – one above the table and one below it. The table “MUST be based on percentage” and not a fixed width. How do I accomplish this with JQuery? I need the table to span 100 percent width and have 2 scrollbars that are synced. With alot of content, th…